// components/like/index.js
Component({
  /**
   * 组件的属性列表
   */
  properties: {
    like:{
      type:Boolean,
      value:false,
      observer:function(){
        
      }
    },
    count:{
      type:Number
    }
  },

  /**
   * 组件的初始数据
   */
  data: {
    yesSrc:'images/like.png',
    noSrc:'images/like@dis.png'
  },

  /**
   * 组件的方法列表
   */
  methods: {
    onLike:function(event){
      // 自定义事件
      let like = this.properties.like;
      let count = this.properties.count;
      count = like? count-1:count+1;
      this.setData({
        like:!like,
        count:count
      });
      // 激活事件
      let behavior = this.properties.like?'like':'cancel'
      this.triggerEvent('like',{
        behavior:behavior
      })
    }
  }
})
